/*
 * Copyright (c) 2011 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

/*
 * Copyright (c) 2013-2014 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <string>

#include <Swiften/Base/ByteArray.h>
#include <Swiften/Base/SafeByteArray.h>
#include <boost/optional.hpp>

namespace Swift {
	class Hash;
	class CryptoProvider;

	class IncrementalBytestreamHashCalculator {
	public:
		IncrementalBytestreamHashCalculator(bool doMD5, bool doSHA1, CryptoProvider* crypto);
		~IncrementalBytestreamHashCalculator();

		void feedData(const ByteArray& data);
		//void feedData(const SafeByteArray& data);

		ByteArray getSHA1Hash();
		ByteArray getMD5Hash();

		std::string getSHA1String();
		std::string getMD5String();

	private:
		Hash* md5Hasher;
		Hash* sha1Hasher;
		boost::optional<ByteArray> md5Hash;
		boost::optional<ByteArray> sha1Hash;
	};

}
